Hong Changyin Dept.of Mechanical and Electrical Engineering. THE SPECIFIC OPERATING SIZES AND THE DIGGING PATH ENVELOPING DRAWING FOR HYDRAULIC EXCAVATOR WITH BACKHOE ATTACHMENT[J]. Journal of Civil and Environmental Engineering, 1992, 14(1).

DOI：

Hong Changyin Dept.of Mechanical and Electrical Engineering. THE SPECIFIC OPERATING SIZES AND THE DIGGING PATH ENVELOPING DRAWING FOR HYDRAULIC EXCAVATOR WITH BACKHOE ATTACHMENT[J]. Journal of Civil and Environmental Engineering, 1992, 14(1). DOI： 10.11835/j.issn.1674-4764.1992.01.001.